<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>登录界面</title>
</head>
<body>
    <h1>登录</h1>
    <form action="user/login" method="post">
        <!--
            name 属性值必须为 username
        -->
        用户名: <input type="text" name="username"><br>


        <!--
            password 属性值必须为 password
        -->
        密码: <input type="password" name="password"><br>

        <input type="submit" value="提交">
    </form>
</body>
</html>